* [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe @ 2019-07-13 3:46 Wen Yang 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang ` (2 more replies) 0 siblings, 3 replies; 11+ messages in thread From: Wen Yang @ 2019-07-13 3:46 UTC (permalink / raw) To: krzk Cc: sbkim73, s.nawrocki, lgirdwood, broonie, perex, tiwai, alsa-devel, linux-kernel, xue.zhihong, wang.yi59, cheng.shengyu, Wen Yang We developed a coccinelle SmPL to detect sound/soc/samsung/odroid.c and found some use-after-free problems. This patch series fixes those problems. Wen Yang (2): ASoC: samsung: odroid: fix an use-after-free issue for codec ASoC: samsung: odroid: fix a double-free issue for cpu_dai sound/soc/samsung/odroid.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org -- 2.9.5 ^ permalink raw reply [flat|nested] 11+ messages in thread
* [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec 2019-07-13 3:46 [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Wen Yang @ 2019-07-13 3:46 ` Wen Yang 2019-07-14 8:47 ` Markus Elfring ` (3 more replies) 2019-07-13 3:46 ` [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai Wen Yang 2019-07-14 10:07 ` [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Markus Elfring 2 siblings, 4 replies; 11+ messages in thread From: Wen Yang @ 2019-07-13 3:46 UTC (permalink / raw) To: krzk Cc: sbkim73, s.nawrocki, lgirdwood, broonie, perex, tiwai, alsa-devel, linux-kernel, xue.zhihong, wang.yi59, cheng.shengyu, Wen Yang The codec variable is still being used after the of_node_put() call, which may result in use-after-free. Fixes: bc3cf17b575a ("ASoC: samsung: odroid: Add support for secondary CPU DAI") Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org --- sound/soc/samsung/odroid.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index dfb6e46..64ebe89 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -284,9 +284,8 @@ static int odroid_audio_probe(struct platform_device *pdev) } of_node_put(cpu); - of_node_put(codec); if (ret < 0) - return ret; + goto err_put_node; ret = snd_soc_of_get_dai_link_codecs(dev, codec, codec_link); if (ret < 0) @@ -317,6 +316,7 @@ static int odroid_audio_probe(struct platform_device *pdev) goto err_put_clk_i2s; } + of_node_put(codec); return 0; err_put_clk_i2s: @@ -326,6 +326,8 @@ static int odroid_audio_probe(struct platform_device *pdev) err_put_cpu_dai: of_node_put(cpu_dai); snd_soc_of_put_dai_link_codecs(codec_link); +err_put_node: + of_node_put(codec); return ret; } -- 2.9.5 ^ permalink raw reply related [flat|nested] 11+ messages in thread
* Re: [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang @ 2019-07-14 8:47 ` Markus Elfring 2019-07-14 10:55 ` [1/2] " Markus Elfring ` (2 subsequent siblings) 3 siblings, 0 replies; 11+ messages in thread From: Markus Elfring @ 2019-07-14 8:47 UTC (permalink / raw) To: Wen Yang, Krzysztof Kozlowski, alsa-devel Cc: Cheng Shengyu, Jaroslav Kysela, Liam Girdwood, Mark Brown, Sangbeom Kim, Sylwester Nawrocki, Takashi Iwai, Xue Zhihong, Yi Wang, LKML, kernel-janitors > @@ -317,6 +316,7 @@ static int odroid_audio_probe(struct platform_device *pdev) > goto err_put_clk_i2s; > } > > + of_node_put(codec); I would prefer to avoid a bit of duplicate source code also at this place. Thus I would find a statement like “goto put_node;” more appropriate here. > return 0; > > err_put_clk_i2s: Regards, Markus ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang 2019-07-14 8:47 ` Markus Elfring @ 2019-07-14 10:55 ` Markus Elfring 2019-07-16 9:06 ` [PATCH 1/2] " Krzysztof Kozlowski 2019-07-16 18:18 ` Applied "ASoC: samsung: odroid: fix an use-after-free issue for codec" to the asoc tree Mark Brown 3 siblings, 0 replies; 11+ messages in thread From: Markus Elfring @ 2019-07-14 10:55 UTC (permalink / raw) To: Wen Yang, alsa-devel Cc: kernel-janitors, LKML, Cheng Shengyu, Jaroslav Kysela, Krzysztof Kozlowski, Liam Girdwood, Mark Brown, Sangbeom Kim, Sylwester Nawrocki, Takashi Iwai, Xue Zhihong, Yi Wang > Fixes: bc3cf17b575a ("ASoC: samsung: odroid: Add support for secondary CPU DAI") * Can it be that this commit identification is relevant more for the second update step? * Was the handling of device node references questionable already before this change? Regards, Markus ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang 2019-07-14 8:47 ` Markus Elfring 2019-07-14 10:55 ` [1/2] " Markus Elfring @ 2019-07-16 9:06 ` Krzysztof Kozlowski 2019-07-16 18:18 ` Applied "ASoC: samsung: odroid: fix an use-after-free issue for codec" to the asoc tree Mark Brown 3 siblings, 0 replies; 11+ messages in thread From: Krzysztof Kozlowski @ 2019-07-16 9:06 UTC (permalink / raw) To: Wen Yang Cc: sbkim73, s.nawrocki, lgirdwood, broonie, perex, tiwai, alsa-devel, linux-kernel, xue.zhihong, wang.yi59, cheng.shengyu On Sat, 13 Jul 2019 at 05:48, Wen Yang <wen.yang99@zte.com.cn> wrote: > > The codec variable is still being used after the of_node_put() call, > which may result in use-after-free. > > Fixes: bc3cf17b575a ("ASoC: samsung: odroid: Add support for secondary CPU DAI") > Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> > Cc: Krzysztof Kozlowski <krzk@kernel.org> > Cc: Sangbeom Kim <sbkim73@samsung.com> > Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> > Cc: Liam Girdwood <lgirdwood@gmail.com> > Cc: Mark Brown <broonie@kernel.org> > Cc: Jaroslav Kysela <perex@perex.cz> > Cc: Takashi Iwai <tiwai@suse.com> > Cc: alsa-devel@alsa-project.org > Cc: linux-kernel@vger.kernel.org > --- > sound/soc/samsung/odroid.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof ^ permalink raw reply [flat|nested] 11+ messages in thread
* Applied "ASoC: samsung: odroid: fix an use-after-free issue for codec" to the asoc tree 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang ` (2 preceding siblings ...) 2019-07-16 9:06 ` [PATCH 1/2] " Krzysztof Kozlowski @ 2019-07-16 18:18 ` Mark Brown 3 siblings, 0 replies; 11+ messages in thread From: Mark Brown @ 2019-07-16 18:18 UTC (permalink / raw) To: Wen Yang Cc: alsa-devel, broonie, cheng.shengyu, Jaroslav Kysela, krzk, Krzysztof Kozlowski, lgirdwood, Liam Girdwood, linux-kernel, Mark Brown, perex, Sangbeom Kim, sbkim73, s.nawrocki, Sylwester Nawrocki, Takashi Iwai, tiwai, wang.yi59, xue.zhihong The patch ASoC: samsung: odroid: fix an use-after-free issue for codec has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.3 All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 9b6d104a6b150bd4d3e5b039340e1f6b20c2e3c1 Mon Sep 17 00:00:00 2001 From: Wen Yang <wen.yang99@zte.com.cn> Date: Sat, 13 Jul 2019 11:46:14 +0800 Subject: [PATCH] ASoC: samsung: odroid: fix an use-after-free issue for codec The codec variable is still being used after the of_node_put() call, which may result in use-after-free. Fixes: bc3cf17b575a ("ASoC: samsung: odroid: Add support for secondary CPU DAI") Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/1562989575-33785-2-git-send-email-wen.yang99@zte.com.cn Signed-off-by: Mark Brown <broonie@kernel.org> --- sound/soc/samsung/odroid.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index dfb6e460e7eb..64ebe895cdd7 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -284,9 +284,8 @@ static int odroid_audio_probe(struct platform_device *pdev) } of_node_put(cpu); - of_node_put(codec); if (ret < 0) - return ret; + goto err_put_node; ret = snd_soc_of_get_dai_link_codecs(dev, codec, codec_link); if (ret < 0) @@ -317,6 +316,7 @@ static int odroid_audio_probe(struct platform_device *pdev) goto err_put_clk_i2s; } + of_node_put(codec); return 0; err_put_clk_i2s: @@ -326,6 +326,8 @@ static int odroid_audio_probe(struct platform_device *pdev) err_put_cpu_dai: of_node_put(cpu_dai); snd_soc_of_put_dai_link_codecs(codec_link); +err_put_node: + of_node_put(codec); return ret; } -- 2.20.1 ^ permalink raw reply related [flat|nested] 11+ messages in thread
* [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai 2019-07-13 3:46 [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Wen Yang 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang @ 2019-07-13 3:46 ` Wen Yang 2019-07-14 12:47 ` [2/2] " Markus Elfring ` (2 more replies) 2019-07-14 10:07 ` [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Markus Elfring 2 siblings, 3 replies; 11+ messages in thread From: Wen Yang @ 2019-07-13 3:46 UTC (permalink / raw) To: krzk Cc: sbkim73, s.nawrocki, lgirdwood, broonie, perex, tiwai, alsa-devel, linux-kernel, xue.zhihong, wang.yi59, cheng.shengyu, Wen Yang The cpu_dai variable is still being used after the of_node_put() call, which may result in double-free: of_node_put(cpu_dai); ---> released here ret = devm_snd_soc_register_card(dev, card); if (ret < 0) { ... goto err_put_clk_i2s; --> jump to err_put_clk_i2s ... err_put_clk_i2s: clk_put(priv->clk_i2s_bus); err_put_sclk: clk_put(priv->sclk_i2s); err_put_cpu_dai: of_node_put(cpu_dai); --> double-free here Fixes: d832d2b246c5 ("ASoC: samsung: odroid: Fix of_node refcount unbalance") Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org --- sound/soc/samsung/odroid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index 64ebe89..f0f5fa9 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -308,7 +308,6 @@ static int odroid_audio_probe(struct platform_device *pdev) ret = PTR_ERR(priv->clk_i2s_bus); goto err_put_sclk; } - of_node_put(cpu_dai); ret = devm_snd_soc_register_card(dev, card); if (ret < 0) { @@ -316,6 +315,7 @@ static int odroid_audio_probe(struct platform_device *pdev) goto err_put_clk_i2s; } + of_node_put(cpu_dai); of_node_put(codec); return 0; -- 2.9.5 ^ permalink raw reply related [flat|nested] 11+ messages in thread
* Re: [2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai 2019-07-13 3:46 ` [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai Wen Yang @ 2019-07-14 12:47 ` Markus Elfring 2019-07-16 9:06 ` [PATCH 2/2] " Krzysztof Kozlowski 2019-07-16 18:18 ` Applied "ASoC: samsung: odroid: fix a double-free issue for cpu_dai" to the asoc tree Mark Brown 2 siblings, 0 replies; 11+ messages in thread From: Markus Elfring @ 2019-07-14 12:47 UTC (permalink / raw) To: Wen Yang, alsa-devel Cc: kernel-janitors, LKML, Cheng Shengyu, Jaroslav Kysela, Krzysztof Kozlowski, Liam Girdwood, Mark Brown, Sangbeom Kim, Sylwester Nawrocki, Takashi Iwai, Xue Zhihong, Yi Wang > The cpu_dai variable is still being used after the of_node_put() call, Such an implementation detail is questionable. https://wiki.sei.cmu.edu/confluence/display/c/MEM30-C.+Do+not+access+freed+memory > which may result in double-free: This consequence is also undesirable. https://cwe.mitre.org/data/definitions/415.html Now I wonder if two update steps are really appropriate as a fix instead of using a single update step for the desired correction in this software module. Should a commit (including previous ones) usually be correct by itself? Regards, Markus ^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai 2019-07-13 3:46 ` [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai Wen Yang 2019-07-14 12:47 ` [2/2] " Markus Elfring @ 2019-07-16 9:06 ` Krzysztof Kozlowski 2019-07-16 18:18 ` Applied "ASoC: samsung: odroid: fix a double-free issue for cpu_dai" to the asoc tree Mark Brown 2 siblings, 0 replies; 11+ messages in thread From: Krzysztof Kozlowski @ 2019-07-16 9:06 UTC (permalink / raw) To: Wen Yang Cc: sbkim73, s.nawrocki, lgirdwood, broonie, perex, tiwai, alsa-devel, linux-kernel, xue.zhihong, wang.yi59, cheng.shengyu On Sat, 13 Jul 2019 at 05:48, Wen Yang <wen.yang99@zte.com.cn> wrote: > > The cpu_dai variable is still being used after the of_node_put() call, > which may result in double-free: > > of_node_put(cpu_dai); ---> released here > > ret = devm_snd_soc_register_card(dev, card); > if (ret < 0) { > ... > goto err_put_clk_i2s; --> jump to err_put_clk_i2s > ... > > err_put_clk_i2s: > clk_put(priv->clk_i2s_bus); > err_put_sclk: > clk_put(priv->sclk_i2s); > err_put_cpu_dai: > of_node_put(cpu_dai); --> double-free here > > Fixes: d832d2b246c5 ("ASoC: samsung: odroid: Fix of_node refcount unbalance") > Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> > Cc: Krzysztof Kozlowski <krzk@kernel.org> > Cc: Sangbeom Kim <sbkim73@samsung.com> > Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> > Cc: Liam Girdwood <lgirdwood@gmail.com> > Cc: Mark Brown <broonie@kernel.org> > Cc: Jaroslav Kysela <perex@perex.cz> > Cc: Takashi Iwai <tiwai@suse.com> > Cc: alsa-devel@alsa-project.org > Cc: linux-kernel@vger.kernel.org > --- > sound/soc/samsung/odroid.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof ^ permalink raw reply [flat|nested] 11+ messages in thread
* Applied "ASoC: samsung: odroid: fix a double-free issue for cpu_dai" to the asoc tree 2019-07-13 3:46 ` [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai Wen Yang 2019-07-14 12:47 ` [2/2] " Markus Elfring 2019-07-16 9:06 ` [PATCH 2/2] " Krzysztof Kozlowski @ 2019-07-16 18:18 ` Mark Brown 2 siblings, 0 replies; 11+ messages in thread From: Mark Brown @ 2019-07-16 18:18 UTC (permalink / raw) To: Wen Yang Cc: alsa-devel, broonie, cheng.shengyu, Jaroslav Kysela, krzk, Krzysztof Kozlowski, lgirdwood, Liam Girdwood, linux-kernel, Mark Brown, perex, Sangbeom Kim, sbkim73, s.nawrocki, Sylwester Nawrocki, Takashi Iwai, tiwai, wang.yi59, xue.zhihong The patch ASoC: samsung: odroid: fix a double-free issue for cpu_dai has been applied to the asoc tree at https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-5.3 All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted. You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed. If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced. Please add any relevant lists and maintainers to the CCs when replying to this mail. Thanks, Mark From 2abee12c0ab1924a69993d2c063a39a952e7d836 Mon Sep 17 00:00:00 2001 From: Wen Yang <wen.yang99@zte.com.cn> Date: Sat, 13 Jul 2019 11:46:15 +0800 Subject: [PATCH] ASoC: samsung: odroid: fix a double-free issue for cpu_dai The cpu_dai variable is still being used after the of_node_put() call, which may result in double-free: of_node_put(cpu_dai); ---> released here ret = devm_snd_soc_register_card(dev, card); if (ret < 0) { ... goto err_put_clk_i2s; --> jump to err_put_clk_i2s ... err_put_clk_i2s: clk_put(priv->clk_i2s_bus); err_put_sclk: clk_put(priv->sclk_i2s); err_put_cpu_dai: of_node_put(cpu_dai); --> double-free here Fixes: d832d2b246c5 ("ASoC: samsung: odroid: Fix of_node refcount unbalance") Signed-off-by: Wen Yang <wen.yang99@zte.com.cn> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Mark Brown <broonie@kernel.org> Cc: Jaroslav Kysela <perex@perex.cz> Cc: Takashi Iwai <tiwai@suse.com> Cc: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org Link: https://lore.kernel.org/r/1562989575-33785-3-git-send-email-wen.yang99@zte.com.cn Signed-off-by: Mark Brown <broonie@kernel.org> --- sound/soc/samsung/odroid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/samsung/odroid.c b/sound/soc/samsung/odroid.c index 64ebe895cdd7..f0f5fa9c27d3 100644 --- a/sound/soc/samsung/odroid.c +++ b/sound/soc/samsung/odroid.c @@ -308,7 +308,6 @@ static int odroid_audio_probe(struct platform_device *pdev) ret = PTR_ERR(priv->clk_i2s_bus); goto err_put_sclk; } - of_node_put(cpu_dai); ret = devm_snd_soc_register_card(dev, card); if (ret < 0) { @@ -316,6 +315,7 @@ static int odroid_audio_probe(struct platform_device *pdev) goto err_put_clk_i2s; } + of_node_put(cpu_dai); of_node_put(codec); return 0; -- 2.20.1 ^ permalink raw reply related [flat|nested] 11+ messages in thread
* Re: [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe 2019-07-13 3:46 [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Wen Yang 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang 2019-07-13 3:46 ` [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai Wen Yang @ 2019-07-14 10:07 ` Markus Elfring 2 siblings, 0 replies; 11+ messages in thread From: Markus Elfring @ 2019-07-14 10:07 UTC (permalink / raw) To: Wen Yang, alsa-devel Cc: Cheng Shengyu, Jaroslav Kysela, Krzysztof Kozlowski, Liam Girdwood, Mark Brown, Sangbeom Kim, Sylwester Nawrocki, Takashi Iwai, Xue Zhihong, Yi Wang, LKML, kernel-janitors Would a subject like “ASoC: samsung: odroid: Fix handling of device node references in odroid_audio_probe” be more appropriate (instead of using the abbreviation “err”)? > We developed a coccinelle SmPL to detect … * I would find a slightly different wording better. * How do you think about to convert this information into software attributions for the update steps? Regards, Markus ^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2019-07-16 18:18 UTC | newest] Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2019-07-13 3:46 [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Wen Yang 2019-07-13 3:46 ` [PATCH 1/2] ASoC: samsung: odroid: fix an use-after-free issue for codec Wen Yang 2019-07-14 8:47 ` Markus Elfring 2019-07-14 10:55 ` [1/2] " Markus Elfring 2019-07-16 9:06 ` [PATCH 1/2] " Krzysztof Kozlowski 2019-07-16 18:18 ` Applied "ASoC: samsung: odroid: fix an use-after-free issue for codec" to the asoc tree Mark Brown 2019-07-13 3:46 ` [PATCH 2/2] ASoC: samsung: odroid: fix a double-free issue for cpu_dai Wen Yang 2019-07-14 12:47 ` [2/2] " Markus Elfring 2019-07-16 9:06 ` [PATCH 2/2] " Krzysztof Kozlowski 2019-07-16 18:18 ` Applied "ASoC: samsung: odroid: fix a double-free issue for cpu_dai" to the asoc tree Mark Brown 2019-07-14 10:07 ` [PATCH 0/2] ASoC: samsung: odroid: fix err handling of odroid_audio_probe Markus Elfring
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